Cisco next generation Catalyst WS-C3850-48F-S is integrated with 48 Ethernet POE+ ports stackable enterprise level switch with IP base IOS image. WS-C3850-48F-S supports up to 1K VLANs and delivers comprehensive layer 2 and limited layer 3 capabilities by offering the feasible solution for access layer or distribution layer. The status LEDs include STAT, DUPLX, SPEED, STACK, SYST, ACTV PoE and S PWR. The switch supports one hot swappable network module that provides uplink ports to connect to other devices. The switch should only be operated with either a network module or a blank module installed.